/*
 * Copyright (C)  Tony Green, LitePal Framework Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.litepal.lib.tablemanager.model;

import android.text.TextUtils;

/**
 * This is a model class for columns. It stores column name, column type, and column constraints
 * information.
 *
 * @author Tony Green
 * @since 1.3
 */
public class ColumnModel
{

	/**
	 * Name of column.
	 */
	private String columnName;

	/**
	 * Type for column.
	 */
	private String columnType;

	/**
	 * Nullable constraint.
	 */
	private boolean isNullable = true;

	/**
	 * Unique constraint.
	 */
	private boolean isUnique = false;

	/**
	 * Default constraint.
	 */
	private String defaultValue = "";

	public String getColumnName()
	{
		return columnName;
	}

	public void setColumnName(String columnName)
	{
		this.columnName = columnName;
	}

	public String getColumnType()
	{
		return columnType;
	}

	public void setColumnType(String columnType)
	{
		this.columnType = columnType;
	}

	public boolean isNullable()
	{
		return isNullable;
	}

	public void setIsNullable(boolean isNullable)
	{
		this.isNullable = isNullable;
	}

	public boolean isUnique()
	{
		return isUnique;
	}

	public void setIsUnique(boolean isUnique)
	{
		this.isUnique = isUnique;
	}

	public String getDefaultValue()
	{
		return defaultValue;
	}

	public void setDefaultValue(String defaultValue)
	{
		if ("text".equalsIgnoreCase(columnType))
		{
			if (!TextUtils.isEmpty(defaultValue))
			{
				this.defaultValue = "'" + defaultValue + "'";
			}
		}
		else
		{
			this.defaultValue = defaultValue;
		}
	}

	/**
	 * Judge current ColumnModel is id column or not.
	 *
	 * @return True if it's id column. False otherwise.
	 */
	public boolean isIdColumn()
	{
		return "_id".equalsIgnoreCase(columnName) || "id".equalsIgnoreCase(columnName);
	}

}
